package com.itheima.mapper;

import com.itheima.pojo.Emp;
import com.itheima.pojo.EmpQueryParam;
import org.apache.ibatis.annotations.*;

import java.time.LocalDate;
import java.util.List;
import java.util.Map;

@Mapper
public interface EmpMapper {
//    @Select("select e.*, d.name deptName from emp e left join dept d on e.dept_id=d.id order by e.update_time desc limit #{start},#{pageSize};")
//    public List<Emp> list(Integer start, Integer pageSize);


//    @Select("select e.*, d.name deptName from emp e left join dept d on e.dept_id=d.id order by e.update_time desc")
//    public List<Emp> list();

//    public List<Emp> list(String name, Integer gender, LocalDate begin, LocalDate end);
    List<Emp> list(EmpQueryParam empQueryParam);

    @Options(useGeneratedKeys = true, keyProperty = "id")
    @Insert("insert into emp(username, name, gender, phone, job, salary, image, entry_date, dept_id, create_time, update_time) " +
            "values (#{username},#{name},#{gender},#{phone},#{job},#{salary},#{image},#{entryDate},#{deptId},#{createTime},#{updateTime})")
    void insert(Emp emp);

    void deleteByIds(List<Integer> ids);

    Emp getById(Integer id);

    void updateById(Emp emp);

    /**
     * 统计各个职位的员工人数
     */
    @MapKey("pos")
    List<Map<String,Object>> countEmpJobData();

    @MapKey("name")
    List<Map> countEmpGenderData();

    Emp getUsernameAndPassword(Emp emp);

//    List<Emp> list(@Param("name") String name, @Param("gender") Integer gender,@Param("begin") LocalDate begin, @Param("end") LocalDate end);

//    @Select("select count(*) from emp e left join dept d on e.dept_id=d.id")
//    public Long count();


}
